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Where Performance Meets Artistry

こんにちは🌸 I'm Leo, a Full-Stack Engineer passionate about the intersection of performance and design. From optimizing Core Web Vitals to implementing DevOps practices, I create digital experiences that push boundaries while maintaining elegance and sustainability.

Education #

USC Logo

University of Southern California

MS in Computer Science

Jan 2024 - May 2026

2025

Software Engineer

TikTok
Sony

2023-2024

Full Stack Engineer

Gaudiy
Yahoo! JAPAN
Knowledge Work

2020-2022

Full Stack Engineer

Wantedly
hey
Recruit

Backend Software Engineer

teamLab
dely

AI/ML Engineer

IBM
LayerX
Daikokuya

Research Engineer

NAIST

Core Expertise #

Bridging high-performance engineering with innovative AI solutions while maintaining exceptional developer experiences

AI-Enhanced Development

Design and implementation of LLM-powered features, creating intuitive AI interfaces, and developing next-generation user experiences through rapid MVP iterations

Performance Engineering

Optimization of Core Web Vitals, implementing efficient data fetching patterns, and development of type-safe frontend architectures for scalable applications

Developer Experience

Streamlining CI/CD pipelines, modernizing development workflows, and implementing comprehensive testing strategies for sustainable growth

Projects #

Here are some projects I've created

GPT Translate project
GitHub Actions
OSS
Automation

GPT Translate - Open Source i18n Tool

GPT Translate logo

GPT Translate

AI-Powered Localization Tool

Wisly project
AI Integration
Web Service

Wisly - AI-Powered Daily Wisdom Service

Wisly logo

Wisly

Daily AI Wisdom Companion

RinDo project
Full Stack
Real-time
AI Integration

Gamified Technical Learning Platform

RinDo logo

RinDo

Technical Learning Platform

Kaika project
Interactive Art
Motion Sensing
IoT

Kaika: Interactive Art

Kaika logo

Kaika

Interactive Light Art

Riter project
EdTech
Real-time
Translation

IELTS Writing Practice Platform

Riter logo

Riter

IELTS Writing Practice Tool

Art Gallery project
Generative Art
Creative Coding

Creative Coding Gallery

Art Gallery logo

Art Gallery

Generative Art Collection

Awards #

GEEK CAMP Advance Hackathon Winner

GEEK CAMP Hackathon Grand Prize

Graduation Project Excellence Award

Rakuten Inc Summer Hackathon Winner

Leadership #

Google Developer Group DHU

Founder / Lead

webpack

Member

DHU Interaction Seminar

Lead

p5.js (processing.org)

Steward

USC JSA

Officer

NPO XPLANE

Technical Adviser

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